/*
 * Copyright 2017 Benjamin.C.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.server.util;

import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.TimeZone;

public final class TimezoneUtil {

    public final static String TIMEZONE_SL = "Asia/Colombo";

    /**
     *
     * @param timezone
     * @return
     */
    public static final String nowLocal(String timezone) {
        return ZonedDateTime
                .now()
                .withZoneSameInstant(ZoneId.of(timezone))
                .toLocalDateTime()
                .format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
    }

    /**
     *
     * @return
     */
    public static final LocalDateTime nowUtc() {
        return ZonedDateTime
                .now()
                .withZoneSameInstant(ZoneId.of("UTC"))
                .toLocalDateTime();
    }

    /**
     *
     * @param timezone
     * @return
     */
    public static final LocalDateTime getZonedTimestamp(String timezone) {
        return LocalDateTime
                .parse(nowLocal(timezone), DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
    }
}
